Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Dec. 28, 2022
Abstract
Soil
moisture
is
one
important
factor
affecting
ecosystem
function,
controlling
the
diffusion
and
transport
of
soil
nutrients,
maintaining
microbial
activities,
altering
diversity.
To
explore
response
to
in
grassland
along
south
shore
Hulun
Lake
Inner
Mongolia,
China,
we
established
a
study
area
covering
natural
gradient
which
was
subdivided
into
high
(HW),
medium
(MW)
low
water
content
(LW).
Aboveground
belowground
properties
were
measured
by
field
investigation
laboratory
analyses,
respectively.
prokaryotic
community
composition
determined
high-throughput
sequencing
techniques.
as
dominant
factor,
organic
nutrients
secondary
significantly
affected
diversity
communities.
The
relative
abundance
highest
under
MW,
indicating
heterogeneity
prokaryotes.
However,
number
differential
ASVs
decreased,
that
structure
stabilized
MW.
Therefore,
more
suitable
survive
Although
microorganisms
lower
HW
LW
than
phenotypic
predictions
showed
tolerant.
We
believe
either
too
or
will
reduce
communities,
communities
gradually
become
resistant
stress.
characteristics
respond
moisture.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(6), P. 580 - 580
Published: March 9, 2025
Global
warming
has
intensified
the
changes
in
wetland
carbon
cycling
processes,
and
cbbL
gene,
which
plays
a
key
role
fixation,
is
significantly
affected
by
warming.
Therefore,
we
set
up
open-top
chamber
natural
controls
used
amplicon
sequencing
to
investigate
response
of
carbon-fixing
microbial
community
alpine
lakeshore
We
found
that
after
treatment,
relative
abundances
Actinobacteria
Chlorophyta
increased,
while
abundance
Cyanobacteria
decreased
(p
<
0.05).
Soil
temperature
moisture
were
most
significant
factors
influencing
wetland.
Deterministic
processes
dominated
assembly
microbes
under
conditions.
Additionally,
enhanced
both
cooperative
competitive
interactions
among
carbon-sequestering
microorganisms
reducing
soil
availability
increasing
environmental
stress,
leading
decrease
modularity
communities.
In
summary,
reduced
sequestration
potential
lakeside
wetlands
but
favored
microorganisms.
Applied Microbiology and Biotechnology,
Journal Year:
2023,
Volume and Issue:
107(16), P. 5241 - 5255
Published: July 1, 2023
While
the
in
situ
return
of
corn
straw
can
improve
soil
fertility
and
farmland
ecology,
additional
bacterial
agents
are
required
low-temperature
areas
northern
China
to
accelerate
degradation.
Moisture
is
an
important
factor
affecting
microbial
activity;
however,
owing
a
lack
adapted
complex
environments,
effects
moisture
on
interaction
between
exogenous
indigenous
microorganisms
remain
unclear.
To
this
end,
we
explored
effect
compound
agent
CFF
constructed
using
Pseudomonas
putida
Acinetobacter
lwoffii,
developed
degrade
soils
(15
°C),
fungal
communities
under
dry
(10%
content),
slightly
wet
(20%),
(30%)
soil-moisture
conditions.
The
results
showed
that
application
significantly
affected
α-diversity
changed
both
community
structures,
enhancing
correlation
content.
also
network
structure
species
key
taxa,
promoting
more
linkages
among
genera.
Notably,
with
increase
moisture,
enhanced
rate
degradation
by
inducing
positive
interactions
genera
enriching
degradation-related
taxa.
Overall,
our
study
demonstrates
alteration
(CFF)
overcome
limitations
for
straw-return
agriculture
areas.
KEY
POINTS:
•
Low-temperature
variable
conditions
(10-30%)
were
compared
Soil
altered
improves
via
microbes.
Agriculture Ecosystems & Environment,
Journal Year:
2023,
Volume and Issue:
360, P. 108773 - 108773
Published: Oct. 23, 2023
Integrated
nitrogen
(N)
management
has
been
adopted
for
the
cultivation
of
'super'
rice
to
achieve
high
yield
while
minimizing
environmental
risks.
How
soil
microbial
communities
respond
integrated
N
in
production
remains
unclear.
Five
years
field
experiment
was
conducted
under
a
wheat–rice
system,
with
four
treatments:
conventional
farming
practices
(300
kg
ha–1
N),
reduced
(270
ha–1)
and
increase
(360
application
coupled
increased
planting
density
accurate
irrigation,
non-N
control.
The
results
showed
that
after
five
treatment,
predominant
bacterial
phyla
shifted
from
Proteobacteria
(22.99%),
Acidobacteria
(17.04%),
Chloroflexi
(14.43%),
(30.83%),
(20.9%),
Actinobacteria
(16.07%).
structure
community
differed
among
treatments,
available
phosphorus
contents
pH
as
key
drivers
first
year
NO3--N
content
fifth
year.
highest
detected
treatment
application,
whereas
reduction
led
32%
decrease
NO3–-N
content.
A
greater
difference
functional
groups
than
Following
there
also
an
proportion
N-transforming
groups,
including
those
involved
aerobic
ammonia
oxidation,
nitrate
denitrification,
nitrite
denitrification.
Collectively,
fertilizer
irrigation
most
effective
regulating
communities,
especially
associated
transformation
cultivation.
